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Convert to utf-8 values of an (multi-dimensional) associative array

/**
 * Convert to utf-8 values of an (multi-dimensional) array
 *
 * @param $array
 *
 * @return $array
 */
public function utf8Converter($array)
{
    array_walk_recursive($array, function (&$item, $key) {
        $item = utf8_encode($item);
    });

    return $array;
}

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